Multiple Choice Questions on x y 12 and xy 32 find the value of x2 y2 ........ for SSC CGL Exam Preparation

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Multiple Choice Questions

x y 12 and xy 32 find the value of x2 y2 ........

Quantitative Aptitude (CGL) Algebra
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    x+y =12 and xy=32 find the value of x2+y2

    0

    Incorrect Answer

    1

    Incorrect Answer

    173

    Incorrect Answer

    80

    Correct Answer
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    Explanation:

    x+y=12
    (x+y)2=144
    x2+y2+xy=144
    x2+y2=144-64=80

    By: MIRZA SADDAM HUSSAIN
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